baber/WOPTO huggingface dataset:
Patent JP-2010512450-A (JP)
Title: 延伸剥離型感圧接着物品及びその使用方法
IPC: C09J7/29
Filed: 2007-11-30
Abstract: 約１１２ｇ／Ｌ〜約２４０ｇ／Ｌ（１立方フィート当たり７ポンド〜１立方フィート当たり約１５ポンド）までの密度、約０．２５ｍｍ（０．０１インチ）〜０．５０ｍｍ（０．０２０インチ）未満までのキャリパー（caliper）、第１主表面、及び前記第１主表面とは反対側の第２主表面を有する発泡体層を包含する裏材と、前記発泡体層の前記第１主表面上に前記発泡体と直接接触して配置された第１感圧接着剤組成物と、を含む、延伸剥離型感圧接着物品。前記物品は、標準的なテクスチャー加工表面に対して少なくとも約４０％の面接触を示す。
Patent JP-2010513890-A (JP)
IPC: G01N27/62
Filed: 2007-12-17
Abstract: The invention relates to a method of using high-mass matrix assisted laser desorption-ionization (MALDI) mass spectrometry for the quantitative analysis of the amount of aggregation (dimers, trimers or multimers) of antibodies or other therapeutic proteins in purified pharmaceutical samples or complex biological matrices, as well as to the use of this method for characterization of antibodies, drug development and quality control of therapeutic proteins, including automated high throughput applications.
Patent JP-2010513927-A (JP)
Title: 物体の測定方法及びシステム
IPC: G01B11/24
Filed: 2007-11-30
Abstract: 物体を測定する方法は、物体を移動可能なステージに位置づける方法と、距離センサーで物体の回転スキャンを行う工程と、回転スキャンに基づいて物体の幾何学的パラメーターを測定する工程と、を含む。 【選択図】図２
Patent JP-2010518254-A (JP)
Title: ストリップのホットディップコーティングをするための装置及び方法
IPC: C23C2/40
Filed: 2008-02-05
Abstract: 金属溶湯（２００）用の容器（１１０）と、金属溶湯内に浸漬された、ローラボディ（１２２）及びローラネック（１２４）を備える、金属溶湯を通過する際にストリップを転向又は安定させるためのローラ（１２０）と、ローラネック（１２４）をスルースチャンバ（１３２）によって包囲するスルース（１３０）と、金属溶湯（２００）に対してスルースチャンバ（１３２）をシールするためにスルースチャンバ（１３２）内にガス圧を有するガス状媒体（Ｎ ２ ）を供給するための供給手段（１７０）とを有する、金属溶湯（２００）でストリップのコーティングをするためのホットディップコーティング装置（１００）において、スルースの整備費用を低減するために、スルースチャンバ（１３２）を有するスルースが、金属溶湯（２００）内に浸漬され、スルースチャンバ（１３２）が、通路状の出口（１３４）を有するダイビングベルの形態に形成されており、この出口が、金属溶湯（２００）内に浸漬され、金属溶湯に対して開放している。
Patent JP-2010517975-A (JP)
Title: 農薬混合物
IPC: A01N43/54
Filed: 2008-02-04
Abstract: a)式(I) 【化１】     で表されるクロチアニジン、及び b)式(II) 【化２】     で表されるトリチコナゾールを、相乗効果を有する量で含む農薬混合物、植物保護用混合物、該混合物を含む組成物、及び植物における菌類の蔓延又は有害な昆虫又は線虫を防除又は予防するための方法、並びに該混合物を植物又はその生育場所に施用することによる植物健康の改善方法。 【選択図】    なし
Patent JP-2010519493-A (JP)
Title: 重い灰の乾式回収／冷却、および未燃焼物質含有量の多い残留物の燃焼制御を行うためのプラントおよび方法
IPC: F23C9/06
Filed: 2007-02-20
Abstract: 本発明は、重い灰を乾式回収／冷却し、および未燃焼物質含有量の多い残留物の燃焼を制御するシステムに関し、ボイラ底部（１２）から重い灰を回収し、既にボイラ内で利用可能な可燃加熱空気および不活性の燃焼煙霧を組み合わせて使用することにより、回収器ベルト（１４）上での後燃焼を促進および調整し、ベルト上に存在する灰を冷却し、場合によっては、それら（その全部または一部）を、未燃焼物質含有量の多い軽い灰部分と一緒にボイラ内で再循環することを実現する。
Patent JP-2010519369-A (JP)
Title: 高屈折率モノマー、それらの組成物及び使用
IPC: C07C69/54
Filed: 2008-02-06
Abstract: 本発明は、高屈折率によって特徴付けられる、光学的及び工業的な用途のための新規硫黄含有（メタ）アクリルモノマー及びそれらの組成物に関する。本発明は、また、高屈折率ポリマー材料を調製する方法、とりわけ紫外線成形光学レンズの形成のための方法及び硫黄含有（メタ）アクリルモノマーを含むその組成物に関する。
Patent JP-2010521312-A (JP)
IPC: B30B9/30
Filed: 2008-03-14
Abstract: The invention relates to a device for producing compressed bales from compressible pressed product pieces, each compressed bale produced having a cuboid form with edge lengths A, B and C. The device includes a press housing having at least one press chamber and a press shield that can be moved in the press chamber in the press direction and back by means of a mechanical drive. The press chamber has a cross-sectional surface of A×C/n. In the press chamber, n partial compressed bales can be produced in n first press steps, with a flat cuboid form with the edge lengths A, B and C/n. A storage space is arranged downstream from the press chamber, n partial compressed bales being transferable into the storage space. The partial compressed bales can be joined in the storage space to form the cuboid compressed bales with the edge lengths A, B and C. The press chamber is separated from the storage space by a mobile partition, and an opening-that can be freed by the partition has at least the dimension A×B in the opening position, such that a partial compressed bale formed in the press chamber can be transported into the storage space through the opening.
Patent JP-2010522382-A (JP)
Title: ソフトウェアライセンスの更新
IPC: G06F21/22
Filed: 2008-03-20
Abstract: ライセンスアクセスエージェントは、クライアントコンピュータで動作する。ライセンスアクセスエージェントは、保護されたソフトウェア製品の使用許可の要求があった際に、保護されたソフトウェア製品の一つ以上の機能をクライアントコンピュータで動作可能とするソフトウェアライセンスを受信するライセンス管理部を備えている。ライセンス管理部は、ソフトウェアライセンスの期限が切れた際に、ライセンス管理部が更新されたソフトウェアライセンスを取得するまで、保護されたソフトウェア製品を使用不可とする。
Patent JP-2011141835-A (JP)
Title: Input/output device and computer program
Inventor: SAKAGUCHI MASAHIRO
IPC: G06F3/0488
Filed: 2010-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an input/output device and a computer program which enables presentation without worrying about a display completion time of handwritten information and eliminates the need for an operation necessary for erasing an unnecessary locus.  <P>SOLUTION: If an input supervision unit 11 accepts the locus of a handwritten input, an input position decision unit 12 decides whether or not an input start position coincides with a portion of the locus indicated by locus information stored in a locus table 2a or a preserved locus indicated by the locus information stored in a preservation locus table 2b. If the input start position coincides with neither case, a locus storage unit 14 stores the locus information successively accepted by the input supervision unit 11 in the locus table 2a. If the input start position coincides with either one of the cases, a menu image output unit 16 displays a corresponding menu image, and a processing decision unit 17 decides which processing has been selected through the menu image. A processing execution unit 18 executes processing selected through the menu image.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011151523-A (JP)
Title: Magnetic circuit for loudspeaker
Inventor: ISOYAMA SATOSHI
IPC: H04R9/02
Filed: 2010-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a magnetic circuit for a loudspeaker that outputs a large sound by using a magnet subjected to weight reduction.  <P>SOLUTION: The magnetic circuit for the loudspeaker includes a flat plate-shaped yoke 1, a center pole 1b erected on the yoke 1, a plurality of magnets 2, 2, ..., provided on the yoke 1, surrounding the center pole 1b and mutually having a gap in a circumferential direction, which presents a thick sectral shape, and a plate 3 mounted on the plurality of magnets 2, 2, etc.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011149301-A (JP)
Title: Fuel supply device in mixed fuel engine
Inventor: TAKAHASHI JUN
IPC: F02D19/08
Filed: 2010-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a low cost fuel supply device in a mixed fuel engine which can easily set an appropriate air-fuel ratio even when employing multiple types of fuels under all mixed states in a mixer body for mixing external air and fuel.  <P>SOLUTION: In a fuel supply device of an engine which uses two types of fuels or fuel formed by mixing them in advance, a carburetor for mixedly forming external air and fuel includes a needle valve 5 for adjusting a flow rate of fuel supplied to the mixing position on an upstream side from a mixing position of the external air and the fuel. An operation part 3 for adjusting and operating the needle valve 5 is additionally provided to the mixture body to allow the flow rate of fuel to be adjusted and operated from an additionally provided position.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011124198-A (JP)
Title: Secondary battery, and its manufacturing method for the same
Inventor: KIM DAIKEI
IPC: H01M10/04
Filed: 2010-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a secondary battery and a manufacturing method for the secondary battery.  <P>SOLUTION: The secondary battery includes an electrode assembly, a sealing tape covering and adhered to a designated zone of the outer peripheral surface of the electrode assembly, and a can for housing the electrode assembly and the sealing tape. The sealing tape includes a base material covering at least one of an adhesive layer come in contact with the outer peripheral surface of the electrode assembly and a partial zone of the adhesive layer, and at least one of the partial zones of the adhesive layer is not covered with the base material. The manufacturing method for the secondary battery is also provided.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011157698-A (JP)
Title: Room unit with balcony
Inventor: NOGUCHI HAJIME
IPC: E04B1/348
Filed: 2010-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To simplify a floor constitution of a balcony constitution section in a room unit with a balcony.  <P>SOLUTION: This room unit 10 with the balcony is produced in a factory by having a room constitution section 11 and the balcony constitution section 12 integrally joined together; and a floor joist 21C of the room constitution section 11 and a floor joist 22C of the balcony constitution section 12 are directed in the same direction, and elongated in a direction orthogonal to a drainage slope of a floor surface 14 of the balcony 13.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011159338-A (JP)
Title: Disk for evaluating flying performance of magnetic head, and method of manufacturing the same
Inventor: MATSUMOTO HIROYUKI
IPC: G11B21/21
Filed: 2010-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a disk for evaluating flying performance of a magnetic head which stably flies by reducing the probability of contact with the magnetic head, and keeps flying stability for a long time even when using an inexpensive transparent glass substrate, in evaluating a magnetic head that flies at a height of 10 nm or less, and to provide a method of manufacturing the same.  <P>SOLUTION: In the disk for evaluating the flying performance of a magnetic head, a multilayer film obtained by laminating sequentially a silicon nitride film 4, a nitride-containing carbon film 5, and a lubricant film 6 is formed on the transparent glass substrate 3.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010116321-A (JP)
Title: Optical glass, preform for precision press-molding, method of manufacturing the same, optical device and method of manufacturing the same
Inventor: HAYASHI KAZUTAKA
IPC: G02B3/00
Filed: 2010-02-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide optical glass for precision press-molding which hardly causing the deterioration of the quality due to generation of a degraded layer such as fogging and browning on its surface.  <P>SOLUTION: The optical glass is used as a glass material for precision press-molding and contains B<SB>2</SB>O<SB>3</SB>, ZnO, La<SB>2</SB>O<SB>3</SB>and ZrO<SB>2</SB>, and this optical glass contains, by mol, ≥0 and <0.5% Li<SB>2</SB>O, 20-50% B<SB>2</SB>O<SB>3</SB>, 0-20% SiO<SB>2</SB>, 22-42% ZnO, 5-24% La<SB>2</SB>O<SB>3</SB>, 0-20% Gd<SB>2</SB>O<SB>3</SB>(total of La<SB>2</SB>O<SB>3</SB>and Gd<SB>2</SB>O<SB>3</SB>is 10-24%), 0.5-10% ZrO<SB>2</SB>, 0-15% Ta<SB>2</SB>O<SB>5</SB>, 0-20% WO<SB>3</SB>, 0-15% Nb<SB>2</SB>O<SB>5</SB>, 0-20% TiO<SB>2</SB>, 0-10% Bi<SB>2</SB>O<SB>3</SB>, 0-10% GeO<SB>2</SB>, 0-10% Ga<SB>2</SB>O<SB>3</SB>, 0-10% Al<SB>2</SB>O<SB>3</SB>, 0-10% BaO, 0-10% Y<SB>2</SB>O<SB>3</SB>, and 0-10% Yb<SB>2</SB>O<SB>3</SB>and has an Abbe number (νd) of ≥35 and <40.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011171809-A (JP)
Title: Communication terminal communication method and communication program
Inventor: TAKAGI FUMIHIKO
IPC: H04M11/00
Filed: 2010-02-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a user-friendly communication terminal which can execute voice communication and data communication in parallel.  <P>SOLUTION: The communication terminal 100 includes a first communication device 101, a second communication device 102, a speaker 109, a microphone 108, and a processor 106. The processor 106 performs the voice communication with another communication terminal using the first communication device 101, the speaker 109 and the microphone 108, receives an instruction to start the data communication during the voice communication with another communication terminal, and performs the data communication with another communication terminal using the second communication device 102 while performing the voice communication corresponding to the instruction.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010248476-A (JP)
Title: Hydrogenation treatment method for heavy hydrocarbon oil
Inventor: SERIGUCHI YOSHIHIRO
IPC: C10G65/04
Filed: 2010-02-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hydrogenation treatment method for heavy hydrocarbon oil, by which desulfurizing and demetalling treatments can be performed over a long period, in a hydrogenation treatment of heavy hydrocarbon oil.  <P>SOLUTION: The hydrogenation treatment method for heavy hydrocarbon oil includes hydrogenating the heavy hydrocarbon oil by successively bringing it into contact with each of a plurality of catalysts provided in a front stage, middle stage and rear stage under such conditions that the hydrogen partial pressure is 4-20 MPa, the hydrogen/oil ratio is 400-3,000 NL/L, the temperature is 300-450°C, and the liquid space velocity is 0.05-5 h<SP>-1</SP>. A predetermined amount of zinc oxide is incorporated into an inorganic oxide carrier of each catalyst. The catalysts each having a predetermined specific surface area, pore volume and average pore diameter and including pores each having a pore diameter of the average pore diameter±1.5 nm (±2.0 nm in the case of the catalyst provided in the front stage) are used.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011170569-A (JP)
Title: Verification program, verification method and verification apparatus
Inventor: MIYAOKA HIROKI
IPC: G06F17/50
Filed: 2010-02-17
Abstract: <P>PROBLEM TO BE SOLVED: To increase the accuracy of simulation by reproducing an effect of a depletion layer formed immediately beneath an intermediate node.  <P>SOLUTION: A verification apparatus detects, from an equivalent circuit 400 as an NMOS circuit model, a parallel circuit comprising a junction resistance RJLG<SB>S</SB>and a junction capacitance CJG<SB>S</SB>, and a junction resistance RJLG<SB>D</SB>and a junction capacitance CJG<SB>D</SB>, and a connection resistance Rdep connecting the parallel circuit to a substrate electrode. The verification apparatus then calculates a first coefficient indicating an impact of the junction resistances RJLG<SB>S</SB>and RJLG<SB>D</SB>and connection resistance Rdep on amplitude variation, and calculates a second coefficient indicating an impact of the junction capacitances CJG<SB>S</SB>and CJG<SB>D</SB>and connection resistance Rdep on phase variation. A junction capacitance CJG (=CJG<SB>S</SB>=CJG<SB>D</SB>) is corrected with the sum of the first and second coefficients.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011173674-A (JP)
Title: Yarn winding machine
Inventor: OKA MASAKI
IPC: B65H54/70
Filed: 2010-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a yarn winding machine capable of preventing a yarn part remaining in a yarn storage roller after cutting yarn from being wound on a package when resuming winding after piecing.  <P>SOLUTION: A spinning frame 1 includes a winding device 12, a yarn clearer 11, a cutter 10, a looseness removing device 8, a piecing device 92 and a machine base control part 96. The looseness removing device 8 includes a looseness removing roller 30 and a yarn detecting sensor for detecting yarn of a surface of the looseness removing roller 30. The machine base control part 96 determines whether or not to allow the piecing device 92 to perform piecing based on a detecting result of the yarn detecting sensor 34 when the yarn is cut by the cutter 10 when a yarn defect is detected by the yarn clearer 11.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011174887-A (JP)
Title: Sample preparation method for maldi-ms
Inventor: FUKUYAMA HIROKO
IPC: G01N27/62
Filed: 2010-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To form a sample/matrix mixture having the uniformity and the high ionization durability on a sample plate.  <P>SOLUTION: A CHCA_B as a liquid matrix and a sample liquid containing a material to be analyzed are dropped, and mixed on the sample plate 10. A droplet integration liquid contains a methanol or an acetonitrile, and is dropped on it. The sample/matrix mixture divided into a plurality of small droplets on the sample plate 10 can be integrated into one droplet. The material to be analyzed can be in a uniform state macroscopically. The high ionization durability can be achieved by using the liquid matrix as a matrix in comparison with a conventional method using a solid matrix. As a result from the above, the sufficient analysis accuracy can be achieved by a laser irradiation at several points only. An analysis time can be greatly reduced in a MALDI-MS.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011179036-A (JP)
Title: Method for treating scrap of hard metal
Inventor: NISHIMURA KENJI
IPC: C22B34/36
Filed: 2010-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a treatment method which can economically treat a scrap of a hard metal and collect cobalt of high purity and the like.  <P>SOLUTION: [1] The method for treating the scrap of the hard metal includes: eluting cobalt and iron from the scrap of the hard metal by immersing the scrap in an aqueous solution of ferric chloride and hydrochloric acid; selectively solvent-extracting iron from the leaching liquid to separate the iron from cobalt; and collecting cobalt from the residual liquid containing cobalt. [2] The method for treating the scrap of the hard metal also includes: oxidizing iron to an ferric ion by introducing an oxidant into a leaching liquid containing cobalt and iron; selectively extracting the ferric ion by making the oxidation-treated leaching liquid contact an iron-extracting solvent; subsequently back-extracting the ferric ion by making the extracting solvent containing the ferric ion contact the aqueous solution of hydrochloric acid; and returning the back-extracting solution to the leaching step to use the solution as the leaching liquid.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011177933-A (JP)
Title: Cutting device for veneer
Inventor: MIYATA SHINJI
IPC: B27L5/08
Filed: 2010-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device for manufacturing material veneers with more excellent high-speed correspondence.  <P>SOLUTION: In this cutting device for a veneer, a veneer carrying-in conveyor and a carrying-out conveyor are arranged on one side and the other side around an anvil roll, respectively, and a cutting means cutting at least either one of a front end or a rear end of the veneer is provided on the anvil roll. The cutting means includes a cutting knife having a tip side mounted toward the anvil roll so as to be liftable/lowerable and an eccentric cam oscillating and lifting/lowering the cutting knife. A pressing means for pressing the veneer on the anvil roll when the veneer is cut by the cutting knife of the cutting means is provided on the carrying-in side of the cutting means. A piercing roll and divider for peeling and dividing the veneer cut by the cutting knife of the cutting means from the anvil roll are provided on the carrying-out side of the cutting means.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011180273-A (JP)
Title: Process unit and image forming apparatus
Inventor: HASHIMOTO JUNICHI
IPC: G03G15/08
Filed: 2010-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a process unit capable of preventing damage of a developing unit when driving force is input into a driving input unit of the developing unit while the developing unit is arranged in a detachment position, and to provide an image forming apparatus including the process unit.  <P>SOLUTION: A developing cartridge 13 is movable between an image forming position capable of forming an image while being held in a process frame 12 and a detachment position capable of detachment from the process frame 12. The developing cartridge 13 includes a coupling member 58 capable of input of driving force and a gear train 56 for transmitting the driving force input in the coupling member 58. The process frame 12 includes a switching boss 42 which makes a detection gear 63 to engage with an agitator gear 62 when the developing cartridge 13 is arranged in the image forming position, and which makes the detection gear 63 to disengage from the agitator gear 62 when the developing cartridge 13 is arranged in the detachment position.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010148520-A (JP)
Title: Rice transplanter
Inventor: TAMAI TOSHIO
IPC: A01B69/00
Filed: 2010-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rice transplanter enabling turning of a machine body without necessitating handling of a transplanting device and continuing a series of operations when the machine comes to a turning point in reciprocating paddy field-traveling work.  <P>SOLUTION: The rice transplanter is provided with the machine body turning and traveling in a paddy field according to the detection of a turning operation, a transplanting device supported as capable of going up and down relative to the machine body and performing a transplanting work at a working position, and a controller controlling each of the lifting up and down of the transplanting device, transplanting operation and quitting the transplanting operation, wherein the controller is set to perform turn-linking control to control a series of operations such as quitting of advance of the machine body at a brink of furrow, lifting up the transplanting device to a non-operating position, and descending the transplanting device according to the detection of turning operation of the travelling machine body to the operating position in back-turning in which machine body retreats and turns, and transplanting operation.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011183899-A (JP)
Title: Outboard motor control apparatus
Inventor: KURIYAGAWA KOJI
IPC: B63H20/08
Filed: 2010-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an outboard motor control apparatus having a transmission, reducing a sense of incongruity caused by speed reduction in shifting when finishing acceleration, and capable of setting a trim angle after trim-up to an optimal value.  <P>SOLUTION: This outboard motor control apparatus includes the transmission and a trim angle adjusting mechanism (a power tilt trim unit) capable of adjusting the trim angle θ. A second speed is selected by the transmission, and when a variation in throttle opening of an engine is a predetermined value (a predetermined value for determining the acceleration) or more, operation of the transmission is controlled so as to shift to a first speed from the second speed, and when an engine speed NE is a predetermined engine speed NE3 or more, the trim-up is started by operating the trim angle adjusting mechanism (S206 and S210), and the trim-up is stopped in response to a variation DNE in the engine speed (S202 and S208).  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011187260-A (JP)
Title: Surface light source device
Inventor: NAKAMURA JUNJI
IPC: F21S2/00
Filed: 2010-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surface light source device capable of enhancing a front luminance as compared with a conventional one.  <P>SOLUTION: The surface light source device 1 is provided with a light guide plate 5 having a light emitting face 5c with a light emitting part R formed and a tapered face 5d positioned on an opposite side of the light emitting face 5c, a light source 4 arranged along an end face 5a of the light guide plate 5, a reflection sheet 8 arranged on the tapered face 5d of the light guide plate 5, and a downward prism sheet 6 with the prism face 6a opposed to the light emitting part R of the light guide plate 5. The light emitting part R is separated by a predetermined approaching distance from the end face 5a toward a direction X so that a tapered angle γ made by the light emitting face 5c and the tapered face 5d may become a predetermined angle in an X-Y plane.  <P>COPYRIGHT: (C)2011,JPO&INPIT